1264388086Chapter 09: Communications and NetworksGary B. Shelly, Misty E. Vermaat2009Discovering Computers 2009: CompleteData, instructions, and information travel on a(n) ____.sending devicereceiving deviceanalog devicecommunications channelD4601Discuss the components required for successful communicationsFor successful communications, you need a(n) ____ that connects the communications channel to a receiving device.communications deviceanalog signalsending devicedigital signalA4601Discuss the components required for successful communicationsA ____ serves as a sending and receiving device in a communications system.desktop computerTablet PCserverall of the aboveD4612Identify various sending and receiving devicesOne type of communications device that connects a communications channel to a sending or receiving device such as a computer is a ____.smart phoneset-top boxmodemmicrowave stationC4612Identify various sending and receiving devices____ refers to conversation that takes place over the Internet using a telephone connected to a computer or mobile device or telephone adapter.Web servicesVoIPcollaborationshort message service (SMS)B4623Describe uses of computer communicationsTwo types of wireless Internet access points are ____ and mobile wireless networks.SMSWeb serviceshot spotsTCP/IPC4643Describe uses of computer communicationsA(n) ____ is a wireless network that provides Internet connections to mobile computers and other devices.hot spotonline meetingglobal positioning system (GPS)cybercaféA4643Describe uses of computer communications____ includes network hardware and software that enables group members to communicate, manage projects, schedule meetings, and make group decisions.Workgroup computingWeb servicesVoicemailVoice over IP (VoIP)A4673Describe uses of computer communicationsA computer in the ____ system converts an analog voice message into digital form.Web servicevoice mailIRCchat roomB4683Describe uses of computer communicationsA collection of computers and devices connected together via communications devices and transmission media is called a(n) ____.workgrouponline meetingcybercafenetworkD4694List advantages of using a networkThe advantages of using a network include ____.testing softwaresharing data and informationdeveloping softwareupdating hardwareB4704List advantages of using a network____ is used in RSS, which is used to distribute content, such as news, to subscribers.Electronic Data Interchange (EDI)XMLEFTvalue-added network (VAN)B4704List advantages of using a network____ allows users connected to a network to transfer money from one bank account to another via transmission media.Electronic Data Interchange (EDI)Voice mailEthernetElectronic funds transfer (EFT)D4704List advantages of using a networkA high-speed network that connects local area networks in a city or town and handles the bulk of communications activity across that region is called a ____.wide area network (WAN)wireless LAN (WLAN)metropolitan area network (MAN)value-added network (VAN)C4724List advantages of using a networkThe design of computers, devices, and media in a network is sometimes called the ____.network architecturenetwork dictionarynetwork routernetwork mapA4725Differentiate among client/server, peer-to-peer, and P2P networksThe server on a client/server network is sometimes called the ____ computer.nodeclienthostpeerC4725Differentiate among client/server, peer-to-peer, and P2P networksA print server is an example of a(n) ____.Ethernetdedicated serverclientintranetB4735Differentiate among client/server, peer-to-peer, and P2P networksClient/server networks typically provide an efficient means to connect ____ or more computers.25810D4735Differentiate among client/server, peer-to-peer, and P2P networksPeer-to-peer networks are ideal for ____.large businessesmid-sized businessesvery small businessessmall- to mid-sized businessesC4735Differentiate among client/server, peer-to-peer, and P2P networks____ describes an Internet network on which users connect to each other's hard disks and exchange files directly over the Internet.IntranetTCP/IPP2PClient/serverC4735Differentiate among client/server, peer-to-peer, and P2P networksExamples of networking software that support ____ are BitTorrent, Gnutella, Kazaa, and LimeWire, which allow users to swap music and other files via the Web.client/server networkingP2Ppeer-to-peer networkingintelligent home networkingB4745Differentiate among client/server, peer-to-peer, and P2P networksThe layout of the computers and devices in a communications network is called a(n) ____.network architecturecommunications satellitenetwork topologyintelligent networkC4745Differentiate among client/server, peer-to-peer, and P2P networksOn a ____, a cable forms a closed loop with all computers and devices arranged along the loop.ring networkbus networkstar networkbus ring networkA4745Differentiate among client/server, peer-to-peer, and P2P networksA ____ is a special series of bits that function like a ticket.ringheadlinestartokenD4766Describe the various network communications standardsThe ____ standard often is called the wireless Ethernet standard because it uses techniques similar to the Ethernet standard to specify how physically to configure a wireless network.802.11TCP/IPIrDABluetoothA4786Describe the various network communications standardsWith ____, the data transfers between devices at a rate of up to 3 Mbps.TCP/IPBluetoothEthernet802.11B4786Describe the various network communications standardsDevices equipped with ____ ports transfer data at rates from 115 Kbps (thousand bits per second) to 4 Mbps between their ports.BluetoothIrDATCP/IPEthernetB4786Describe the various network communications standardsWAP uses a(n) ____ network.peer-to-peerInternet peer-to-peerclient/serverEthernetC4806Describe the various network communications standards____ is a type of application software used for communications.FTP softwareWord processing softwareDatabase softwareImage editing softwareA4807Explain the purpose of communications softwareUsing a ____ line to transmit data is similar to using the telephone to make a call.dial-upDSLCATVT-carrierA4818Describe various types of lines for communications over the telephone networkIn a(n) ____ line, the connection is reestablished each time it is used.ISDNCATVDSLdial-upD4828Describe various types of lines for communications over the telephone networkThe ISDN modem at your location must be within about ____ miles of the telephone company's ISDN modem.0.52.03.55.0C4828Describe various types of lines for communications over the telephone network____ supports faster transfer rates when receiving data than when sending data.ADSLATMISDNDial-upA4828Describe various types of lines for communications over the telephone networkHome and small business users purchase ____, in which they share a connection to the T1 line with other users.ISDNfractional T1DSLATMB4838Describe various types of lines for communications over the telephone networkA(n) ____ consists of individual electrical pulses that represent bits grouped together into bytes.analog signaldigital signalcommunications channeltransmission mediumB4849Describe commonly used communications devicesA ____ modem usually is in the form of an adapter card that you insert in an expansion slot on a computer's motherboard.DSLISDNdial-upcableC4859Describe commonly used communications devicesA(n) ____ card is the most common type of network card.dial-up modemIrDAEthernetBluetoothC4879Describe commonly used communications devicesA central communications device that allows computers and devices to transfer data wirelessly among themselves is called a ____.network interface cardwireless access pointdigital modemrouterB4879Describe commonly used communications devicesTo prevent unauthorized users from accessing files and computers, many routers are protected by a built-in ____.hubbridgeswitchfirewallD4889Describe commonly used communications devicesA(n) ____ extends the basic home network to include features such as lighting control, thermostat adjustment, and a security system.intelligent home networkwireless home networkphoneline networkpowerline cable networkA48910Discuss different ways to set up a home networkWith a(n) ____, one end of a cable connects to an adapter card or PC Card in the computer and the other end plugs in a wall telephone jack.Ethernet networkphoneline networkpowerline cable networkHomeRF networkB48910Discuss different ways to set up a home networkMost home networks use a ____ network, which sends signals through the air at distances of up to 1,500 feet in some configurations.Wi-FiBluetoothtoken ringTCP/IPA49010Discuss different ways to set up a home networkHome users set up ____ networks in their homes because these networks are fairly easy to configure.Wi-FiBluetoothtoken ringTCP/IPA49010Discuss different ways to set up a home networkWalls, ceilings, and electrical devices such as cordless telephones and microwave ovens can disrupt ____ communications.Ethernetphonelinepowerline cablewirelessD49010Discuss different ways to set up a home network____ use wire, cable, and other tangible materials to send communications signals.802.11BluetoothIrDAPhysical transmission mediaD49211Identify various physical and wireless transmission mediaCoaxial cable is often referred to as ____.twisted-pairfiber optic10Base-TcoaxD49311Identify various physical and wireless transmission mediaA(n) ____ is as thin as a human hair.coaxial cabletwisted-pair cableoptical fiberbroadband cableC49311Identify various physical and wireless transmission media____ has a maximum transfer rate of 150 Mbps.Communications satelliteMicrowave radioBroadcast radioInfraredB49411Identify various physical and wireless transmission mediaA form of broadcast radio that is used widely for mobile communications is called ____.infraredmicrowavecellular radiocommunications satelliteC49411Identify various physical and wireless transmission mediaThe FCC identifies all wireless digital communications by the term ____.PCSUMTSGSMGPRSA49611Identify various physical and wireless transmission media